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<a name="boost.dll.symbol_location"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Function symbol_location</span></h2>
<p>boost::dll::symbol_location</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../boost_dll/reference.html#header.boost.dll.runtime_symbol_info_hpp" title="Header &lt;boost/dll/runtime_symbol_info.hpp&gt;">boost/dll/runtime_symbol_info.hpp</a>&gt;

</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
  <span class="identifier">boost</span><span class="special">::</span><span class="identifier">dll</span><span class="special">::</span><span class="identifier">fs</span><span class="special">::</span><span class="identifier">path</span> 
  <span class="identifier">symbol_location</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span> symbol<span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">dll</span><span class="special">::</span><span class="identifier">fs</span><span class="special">::</span><span class="identifier">error_code</span> <span class="special">&amp;</span> ec<span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">dll</span><span class="special">::</span><span class="identifier">fs</span><span class="special">::</span><span class="identifier">path</span> <span class="identifier">symbol_location</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span> symbol<span class="special">)</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.15.8.2.5.5.4"></a><h2>Description</h2>
<p>On success returns full path and name of the binary object that holds symbol.</p>
<p>



<span class="bold"><strong>Examples:</strong></span> </p>
<pre class="programlisting"><span class="keyword">int</span> <span class="identifier">var</span><span class="special">;</span>
<span class="keyword">void</span> <span class="identifier">foo</span><span class="special">(</span><span class="special">)</span> <span class="special">{</span><span class="special">}</span>

<span class="keyword">int</span> <span class="identifier">main</span><span class="special">(</span><span class="special">)</span> <span class="special">{</span>
   <span class="identifier">dll</span><span class="special">::</span><span class="identifier">symbol_location</span><span class="special">(</span><span class="identifier">var</span><span class="special">)</span><span class="special">;</span>                     <span class="comment">// returns program location</span>
   <span class="identifier">dll</span><span class="special">::</span><span class="identifier">symbol_location</span><span class="special">(</span><span class="identifier">foo</span><span class="special">)</span><span class="special">;</span>                     <span class="comment">// returns program location</span>
   <span class="identifier">dll</span><span class="special">::</span><span class="identifier">symbol_location</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">cerr</span><span class="special">)</span><span class="special">;</span>               <span class="comment">// returns location of libstdc++: "/usr/lib/x86_64-linux-gnu/libstdc++.so.6"</span>
   <span class="identifier">dll</span><span class="special">::</span><span class="identifier">symbol_location</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">placeholders</span><span class="special">::</span><span class="identifier">_1</span><span class="special">)</span><span class="special">;</span>   <span class="comment">// returns location of libstdc++: "/usr/lib/x86_64-linux-gnu/libstdc++.so.6"</span>
   <span class="identifier">dll</span><span class="special">::</span><span class="identifier">symbol_location</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">puts</span><span class="special">)</span><span class="special">;</span>               <span class="comment">// returns location of libc: "/lib/x86_64-linux-gnu/libc.so.6"</span>
<span class="special">}</span>
</pre>
<p> </p>
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<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
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<td><p><span class="term"><code class="computeroutput">ec</code></span></p></td>
<td><p>Variable that will be set to the result of the operation. </p></td>
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<td><p><span class="term"><code class="computeroutput">symbol</code></span></p></td>
<td><p>Symbol which location is to be determined. </p></td>
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<td><p><span class="term">Returns:</span></p></td>
<td><p>Path to the binary object that holds symbol or empty path in case error. </p></td>
</tr>
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<td><p><span class="term">Throws:</span></p></td>
<td>std::bad_alloc in case of insufficient memory. Overload that does not accept <a class="link" href="fs/error_code.html" title="Type definition error_code">boost::dll::fs::error_code</a> also throws <a class="link" href="fs/system_error.html" title="Type definition system_error">boost::dll::fs::system_error</a>.</td>
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<td align="right"><div class="copyright-footer">Copyright © 2014 Renato Tegon Forti, Antony Polukhin<br>Copyright © 2015 Antony Polukhin<br>Copyright © 2016 Antony Polukhin, Klemens Morgenstern<br>Copyright © 2017-2021 Antony Polukhin<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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